Circulating fluid-bed combustion apparatus

Details Circulating fluid-bed combustion apparatus Circulating fluid-bed combustion apparatus

1991-01-18

1991-11-12

Hart, Charles

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

422145, 422146, 422147, 55 77, 55345, 55390, F27B 1508

Patent

active

050646214

ABSTRACT:
A circulating fluid-bed combustion apparatus comprises a fluid-bed combustion chamber having a primary combustion air inlet and secondary combustion air inlet, the primary combustion air inlet arranged at the bottom of the fluid-bed combustion chamber and the secondary combustion air inlet being arranged in an intermediate portion of the fluid-bed combustion chamber; a layrinth separator for separating coarse particles from gases, which is positioned below the secondary combustion air inlet; a heat exchanger, into which combustion gases are led from the fluid-bed combustion chamber; a multicyclone for separating fine particles from gases discharged out of the heat exchanger; and a distributor for distributing particles separated in the multicyclone to an upper zone of the fluid-bed combustion chamber above the labyrinth separator and to a lower zone of the fluid-bed combustion chamber below the labyrinth separator.

REFERENCES:
patent: 4426359 (1984-01-01), Woebcke et al.
patent: 4951611 (1990-08-01), Abdulally et al.

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